PLAYER PAGE
Personal
Jacobs, J (Janine)
Chess SA id
2070137624FIDE id
?Date of birth
2007-07-07 (U20)Gender
FemaleRegion
Cape Winelands (WCW)Citizen
RSATitles
Chess SA registered
NoLast active game
2023-10-14Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 944.5 | 895.6 | 1086 | 1200 |
| Raw rating | 944.5 | 895.6 | 1086 | 1200 |
| Weighted rating | 944.5 | 895.6 | 1084.5 | 1200 |
| Weighted performance | 631.8 | 0 | 0 | 0 |
| Floor | 700 | 700 | 700 | 700 |
| K-factor | 36 | 36 | 36 | 36 |
| Min/Max rating change allowed | 238.6 | 255.8 | 195.1 | 165.8 |
| Highest rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 12002019-12-01 | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 |
| Highest weighted rating | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 12002019-12-01 | 12002019-12-01 | 12002019-12-01 | 12002024-03-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | 0 | 0 |
| New rating | 944.5 | 895.6 | 1086 | 1200 |
| Analysis | ||||
| Rating | 944.5 | 895.6 | 1086 | 1200 |
| Raw rating | 944.5 | 895.6 | 1086 | 1200 |
| Weighted rating | 944.5 | 895.6 | 1084.5 | |
| Weighted performance | 631.8 | 0 | 0 | |
| K-factor | 36 | 36 | 36 | 36 |
| Floor | 700 | 700 | 700 | 700 |
| Max/Min rating change allowed | 238.6 | 255.8 | 195.1 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 944.5 | 895.6 | 1086 | 1200 |
| New weighted rating | 944.5 | 895.6 | 1084.7 | 1200 |
| New weighted performance | 626.5 | 0 | 0 | 0 |
| Temp new rating | 944.5 | 895.6 | 1086 | 1200 |
| Temp new rating +/- | 0 | 0 | 0 | 0 |
| Final new rating +/- | 0 | 0 | 0 | 0 |
| New rating | 944.5 | 895.6 | 1086 | 1200 |
| New K-factor | 36 | 36 | 36 | 36 |
| New floor | 700 | 700 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| 14 | 5 | 9 | 0 | |
| 20 | 16 | 4 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 34 | 21 | 13 | 0 |
| Games since | |||||||||||||||||
| Main0 | Standard0 | Rapid0 | Blitz0 | ||||||||||||||
| Gender | Female | ||||||||||||||||
| Age group | U20 | ||||||||||||||||
| Region | Cape Winelands (WCW) | ||||||||||||||||
| Province | Western Cape (WC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Female | -1 | -1 | -1 | ||||||||||||||
| U20 | -1 | -1 | -1 | ||||||||||||||
| U20 Female | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 34 | 4.5 | 13.24 | -312.5 | 1157.1 | 844.6 |
| Standard | 21 | 1.5 | 7.14 | -364.3 | 1132.3 | 768 |
| Rapid | 13 | 3 | 23.08 | -228.8 | 1197 | 968.2 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2025-11-01 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-09-30 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-09-01 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-08-01 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-07-01 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-06-01 | 944.5 | 895.6 | 1086 | 1200 |
| 2025-05-01 | 944.4 | 895.6 | 1086 | 1200 |
| 2025-04-01 | 944.4 | 895.6 | 1086 | 1200 |
| 2025-03-01 | 944.4 | 895.6 | 1086 | 1200 |
| 2025-02-01 | 944.4 | 895.6 | 1086 | 1200 |
| 2025-01-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-12-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-11-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-10-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-09-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-08-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-07-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-09-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-05-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-04-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-03-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-02-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2024-01-01 | 944.4 | 895.6 | 1081.6 | 1200 |
| 2023-12-01 | 944.4 | 895.6 | 1081.6 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Cape Women’s Championship 2024 (Advanced) | 2024-08-08 | 2024-08-11 | Standard | West Coast (WCU) | 6 | 0 | 0 | No | Analysis |
| 2 | Worcester Knock-Out 2023 (U18 Girls) | 2023-10-14 | 2023-10-14 | Rapid | Cape Winelands (WCW) | 6 | 5 | 1 | Yes | Analysis |
| 3 | CW Top Schools 2023 (U15+U18 Girls) | 2023-08-26 | 2023-08-26 | Rapid | Cape Winelands (WCW) | 5 | 4 | 2 | Yes | Analysis |
| 4 | Cape Winelands Schools Chess - Trials 1 2023 (U17 Girls) | 2023-02-25 | 2023-02-25 | Standard | Cape Winelands (WCW) | 5 | 5 | 0 | Yes | Analysis |
| 5 | Western Cape Top Schools 2022 (U18 Girls) | 2022-09-16 | 2022-09-17 | Standard | Overberg (WOS) | 5 | 5 | 0.5 | Yes | Analysis |
| 6 | Western Cape Woman`s Championship 2022 (Development) | 2022-09-03 | 2022-09-03 | Standard | West Coast (WCU) | 5 | 5 | 1 | Yes | Analysis |
| 7 | Cape Winelands Schools Top Schools 2022 (U15+U18 Girls) | 2022-08-27 | 2022-08-27 | Standard | Cape Winelands (WCW) | 5 | 2 | 0 | Yes | Analysis |
| 8 | Cape Winelands Schools 2022 (U15 Girls) | 2022-03-05 | 2022-03-05 | Standard | Cape Winelands (WCW) | 5 | 4 | 0 | Yes | Analysis |
| 9 | Worcester Schools Trials 2022 (U15 Girls) | 2022-02-19 | 2022-02-19 | Rapid | Cape Winelands (WCW) | 5 | 4 | 0 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWestern Cape Woman`s Championship 2022 | TournamentWestern Cape Woman`s Championship 2022 | ||||||
| date2022-09-03 | rnd3 | typeStandard | result0.5 | date2022-09-03 | rnd4 | typeStandard | result0.5 | ||
| OpponentLombaard, E (Elri) | OpponentLukas, J (Jaymilee) | ||||||||
| 2 | 1 | TournamentWorcester Knock-Out 2023 | TournamentWorcester Knock-Out 2023 | ||||||
| date2023-10-14 | rnd4 | typeRapid | result1 | date2023-10-14 | rnd4 | typeRapid | result1 | ||
| OpponentArnoldus, M (Marceline) | OpponentArnoldus, M (Marceline) | ||||||||
| 3 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd5 | typeRapid | result1 | date2023-08-26 | rnd5 | typeRapid | result1 | ||
| OpponentToffa, L (Leighkin) | OpponentToffa, L (Leighkin) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | TournamentWestern Cape Woman`s Championship 2022 | TournamentWestern Cape Woman`s Championship 2022 | ||||||
| date2022-09-03 | rnd3 | typeStandard | result0.5 | date2022-09-03 | rnd4 | typeStandard | result0.5 | ||
| OpponentLombaard, E (Elri) | OpponentLukas, J (Jaymilee) | ||||||||
| 2 | 1 | TournamentWestern Cape Top Schools 2022 | TournamentWestern Cape Top Schools 2022 | ||||||
| date2022-09-16 | rnd1 | typeStandard | result0.5 | date2022-09-16 | rnd1 | typeStandard | result0.5 | ||
| OpponentVan Eeden, I (Isabella) | OpponentVan Eeden, I (Isabella) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWorcester Knock-Out 2023 | TournamentWorcester Knock-Out 2023 | ||||||
| date2023-10-14 | rnd4 | typeRapid | result1 | date2023-10-14 | rnd4 | typeRapid | result1 | ||
| OpponentArnoldus, M (Marceline) | OpponentArnoldus, M (Marceline) | ||||||||
| 2 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd5 | typeRapid | result1 | date2023-08-26 | rnd5 | typeRapid | result1 | ||
| OpponentToffa, L (Leighkin) | OpponentToffa, L (Leighkin) | ||||||||
| 3 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd3 | typeRapid | result1 | date2023-08-26 | rnd3 | typeRapid | result1 | ||
| OpponentLang, A (Alexa) | OpponentLang, A (Alexa) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWorcester Knock-Out 2023 | TournamentWorcester Knock-Out 2023 | ||||||
| date2023-10-14 | rnd4 | typeRapid | result1 | date2023-10-14 | rnd4 | typeRapid | result1 | ||
| OpponentArnoldus, M (Marceline) | OpponentArnoldus, M (Marceline) | ||||||||
| 2 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd5 | typeRapid | result1 | date2023-08-26 | rnd5 | typeRapid | result1 | ||
| OpponentToffa, L (Leighkin) | OpponentToffa, L (Leighkin) | ||||||||
| 3 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd3 | typeRapid | result1 | date2023-08-26 | rnd3 | typeRapid | result1 | ||
| OpponentLang, A (Alexa) | OpponentLang, A (Alexa) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | TournamentWorcester Knock-Out 2023 | TournamentWorcester Knock-Out 2023 | ||||||
| date2023-10-14 | rnd4 | typeRapid | result1 | date2023-10-14 | rnd4 | typeRapid | result1 | ||
| OpponentArnoldus, M (Marceline) | OpponentArnoldus, M (Marceline) | ||||||||
| 2 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd5 | typeRapid | result1 | date2023-08-26 | rnd5 | typeRapid | result1 | ||
| OpponentToffa, L (Leighkin) | OpponentToffa, L (Leighkin) | ||||||||
| 3 | 1 | TournamentCW Top Schools 2023 | TournamentCW Top Schools 2023 | ||||||
| date2023-08-26 | rnd3 | typeRapid | result1 | date2023-08-26 | rnd3 | typeRapid | result1 | ||
| OpponentLang, A (Alexa) | OpponentLang, A (Alexa) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Fabricius ,A (Anja) | 2 | 0 | -425 | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 |
| 1232.8 | 807.8 | 1200 | 807.8 | 1206.4 | 807.8 | 0 | 0 | ||||||
| 2 | Nortje ,M (Melvinia) | 2 | 0 | -425 | 0 | 0 | 0 | 2 | 0 | -425 | 0 | 0 | 0 |
| 1112.8 | 687.8 | 0 | 0 | 1161.6 | 687.8 | 0 | 0 | ||||||
| 3 | Beukes ,S (Saskia) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1204.2 | 779.2 | 1200 | 779.2 | 0 | 0 | 0 | 0 | ||||||
| 4 | Gould ,C (Caitlin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 775 | 1200 | 775 | 0 | 0 | 0 | 0 | ||||||
| 5 | Nkopo ,SB (Sihle Blessing) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1115 | 690 | 1096.4 | 690 | 0 | 0 | 0 | 0 | ||||||
| 6 | Marsh ,C (Caitlin) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1146.9 | 721.9 | 1200 | 721.9 | 0 | 0 | 0 | 0 | ||||||
| 7 | Daries ,N (Nikita) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 701.4 | 276.4 | 711 | 276.4 | 0 | 0 | 0 | 0 | ||||||
| 8 | Burns ,M (Moesfika) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1102.7 | 677.7 | 1094.8 | 677.7 | 0 | 0 | 0 | 0 | ||||||
| 9 | Jacobs ,K (Keesha) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1046.3 | 621.3 | 1056.4 | 621.3 | 0 | 0 | 0 | 0 | ||||||
| 10 | Theron ,A (Anja) | 1 | 0 | -425 | 1 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1090 | 665 | 1033 | 665 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|

